Current through Register Vol. 49, No. 27, December 30, 2024
Subpart 1. [Repealed, 32 SR 2213]
Subp. 2.
General requirements.
A. All regulated thermal insulation materials
must be tested for compliance with the standards according to subpart
3,
4,
5,
6,
7, or
8. An insulation product that
has been tested for compliance with another version of an ASTM standard for the
product type and is composed of the identical material, for example the same
chemical make-up, composition, or physical properties, but that has different
dimensional characteristics, such as width, length, or thickness, does not need
to undergo additional testing.
B.
When the ASTM amends, reorganizes, or modifies a standard test method and the
manufacturer or testing laboratory desires to use the new version, the
department may be petitioned to adopt the new test method version. Until the
department adopts or decides not to adopt the new version, the petitioner may
request a temporary variance, pursuant to Minnesota Statutes, sections
14.055
and
14.056,
to use the new test method version.
C. Manufacturers shall have a quality
assurance program in place for all regulated thermal insulation products. A
quality assurance program must be in place for installers of products whose
manufacture is completed at the job site.
Manufacturers and other industry members must maintain an
in-house quality assurance program in order for products to meet the required
standards.
If a manufactured product fails to meet those required
standards, the department shall notify the industry member to pursue corrective
measures.
D. Installers
must follow manufacturer's installation instructions.
Subp. 3.
Cellulose insulation.
A. Cellulose insulation must comply with item
B, C, or D and meet the following requirements:
(1) The product must comply with the United
States Consumer Product Safety Commission Interim Safety Standard for Cellulose
Insulation, Code of Federal Regulations, title 16, part 1209 subpart
B.
(2) All manufacturers shall
contract with an approved laboratory for a follow-up agreement to accomplish
the following:
(a) The laboratory shall
conduct unannounced inspections.
(b) The inspections must be:
i. monthly, if production is 350,000 pounds
or more per month; or
ii.
quarterly, if production is less than 350,000 pounds per month.
(c) The inspector shall conduct
tests on a sample at the plant laboratory for settled density, smoldering
combustion, critical radiant flux, and corrosiveness (ph).
(d) The inspector shall examine the
manufacturer's quality assurance program.
(3) Containers of cellulose insulation
products must carry the label identifying the laboratory performing the
follow-up program required by subitem (2).
B. Cellulose fiber in loose-fill form must
comply with ASTM C739-11, Standard Specification for Cellulosic Fiber
Loose-Fill Thermal Insulation. Cellulose loose-fill insulation must be
installed in accordance with ASTM C1015-06(2011)e1, Standard Practice for
Installation of Cellulosic and Mineral Fiber Loose-Fill Thermal
Insulation.
C. Cellulose fiber
spray-applied must comply with either:
(1)
Type II requirements of ASTM C1149-11, Standard Specification for
Self-Supported Spray Applied Cellulosic Thermal Insulation; or
(2) ASTM C739-1 1, S tandard Specification
for Cellulosic Fiber Loose-Fill Thermal Insulation. Design density and thermal
resistance must be determined for specimens prepared as spray-applied according
to manufacturer' s installation instructions.
D. Cellulose fiber stabilized must comply
with ASTM C1497-12, Standard Specification for Cellulosic Fiber Stabilized
Thermal Insulation.
E. Cellulosic
fiber insulating board must comply with ASTM C208-12, Standard Specification
for Cellulosic Fiber Insulating Board.
F. Industry members and
other persons may not engage in the mobile manufacture of cellulose insulation,
which means the simultaneous on-site production and installation of cellulose
insulation as an integral mechanical and manufacturing process.
Subp. 4.
Mineral fiber
insulation.
A. Mineral fiber in loose
fill form must comply with ASTM C764-11, Standard Specification for Mineral
Fiber Loose Fill Thermal Insulation.
(1)
Mineral fiber loose fill must achieve not less than stated performance at
winter design conditions as shown by ASTM C1373/C1373M-11, Standard Practice
for Determination of Thermal Resistance of Attic Insulation Systems Under
Simulated Winter Conditions.
(2)
Mineral fiber loose fill must be installed in accordance with ASTM
C1015-06(2011)e, Standard Practice for Installation of Cellulosic and Mineral
Fiber Loose-Fill Thermal Insulation.
B. Mineral fiber in batts and blankets form
must comply with ASTM C665-12, Standard Specification for Mineral Fiber Blanket
Thermal Insulation for Light Frame Construction and Manufactured Housing.
Mineral fiber in batts and blankets must be installed in accordance with ASTM
C1320-10, Standard Practice for Installation of Mineral Fiber Batt and Blanket
Thermal Insulation for Light Frame Construction.
C. Mineral fiber in board form must comply
with ASTM C612-10, Standard Specification for Mineral Fiber Block and Board
Thermal Insulation.
D. Spray
applied mineral fiber must comply with ASTM C1014-08(2013), Standard
Specification for Spray Applied Mineral Fiber Thermal and Sound Absorbing
Insulation.
Subp. 5.
Foam plastic insulation.
All foam plastic insulation must achieve stated performance at
75 degrees Fahrenheit mean temperature. For foam plastic insulations that
incorporate blowing agents other than air or pentane, R-value tests must be
done on specimens that have been treated in accordance with either the test
method identified for the product in items A to F or the Federal Trade
Commission R-Value rule, Code of Federal Regulations, title 16, part 460, to
fully reflect the effect of aging on the product's R-value.
A. Rigid, cellular polystyrene insulation
must comply with either ASTM C578-12b, Standard Specification for Rigid,
Cellular Polystyrene Thermal Insulation, or item F.
B. Faced polyisocyanurate in board form must
comply with either ASTM C1289-14a, Standard Specification for Faced Rigid
Cellular Polyisocyanurate Thermal Insulation Board, or item F.
C. Field-applied urea formaldehyde foam must
meet the following requirements:
(1)
Field-Applied Urea Formaldehyde Based, Foam in Place Insulation and its
installation must conform with Minnesota Statutes, section
325F.18, and
part
4620.1800.
(2) Resin and foaming agent containers must
be marked with conditions of proper storage and the derated R-value and
shrinkage of the prepared foam as certified by the manufacturer.
D. Closed-cell spray-applied
polyurethane foam must comply with either ASTM C1029-13, Standard Specification
for Spray Applied Rigid Polyurethane Thermal Insulation, or item F.
E. Rigid cellular phenolic insulation must
comply with either ASTM C1126-13, Standard Specification for Faced or Unfaced
Rigid Cellular Phenolic Thermal Insulation, or item F.
F. Foam plastic insulation products are
deemed to meet the requirements of this subpart if they have:
(1) a current ICC-Evaluation Services Report
prepared according to ICC-ES AC12, Acceptance Criteria for Foam Plastic
Insulation, or ICC-ES AC377, Acceptance Criteria for Spray-applied Foam Plastic
Insulation; or
(2) a comparable
independent evaluation report certifying compliance with applicable Minnesota
building codes.
Subp.
6.
Perlite and vermiculite insulation.
A. Perlite loose fill insulation must meet
the following requirements:
(1) The product
must comply with ASTM C549-06, Standard Specification for Perlite Loose Fill
Insulation.
(2) The manufacturer
shall disclose to the department any chemical treatment of the perlite material
and the purpose of the treatment.
B. Vermiculite in loose fill form must meet
the following requirements:
(1) The product
must comply with ASTM C516-08, Standard Specification for Vermiculite Loose
Fill Thermal Insulation.
(2) The
manufacturer shall disclose to the department any chemical treatment of the
vermiculite material and the purpose of the treatment.
Subp. 7.
Reflective
insulation.
A. Reflective insulation
for building applications must meet the requirements of either ASTM C1224-11,
Standard Specification for Reflective Insulation for Building Applications, or
ICC-AC02, Acceptance Criteria for Reflective Foil Insulation.
Reflective insulation must be installed according to ASTM
C727-12, Standard Practice for Installation and Use of Reflective Insulation in
Building Constructions.
B.
Radiant barrier products must meet the requirements of either ASTM
C1313/C1313M-13, Standard Specification for Sheet Radiant Barriers for Building
Construction Applications, or ICC-EG220, Evaluation Guideline for Sheet Radiant
Barriers. Radiant barriers must be installed according to ASTM C1158-05,
Standard Practice for Installation and Use of Radiant Barrier Systems (RBS) in
Building Construction.
Subp.
7a.
Cotton fiber insulation products.
Cotton fiber insulation products must meet the criteria of
ICC-EG81, Evaluation Guideline for Cotton Fiber Insulation.
Subp. 7b.
Polyester loose-fill and
blanket insulation products.
Polyester loose-fill and blanket insulation products must meet
the criteria of ICC-AC187, Acceptance Criteria for Polyester Loose-Fill and
Blanket Insulations.
Subp.
7c.
Vacuum insulation panel insulation.
Vacuum insulation panel insulation must meet the requirements
of ASTM C1484-10, Standard Specification for Vacuum Insulation Panels.
Subp. 8.
Other
insulation.
Insulation other than insulation specified in subparts
1 to
7c must comply with the
requirements of this subpart. The thermal insulation material chosen for
testing must be representative of material produced by the manufacturer during
normal production runs.
Exceptions: Cotton fiber insulation products must comply with
either items A to G or ICC-EG81, Evaluation Guideline for Cotton Fiber
Insulation. Polyester loose-fill and blanket insulation products must comply
with either items A to G or ICC-AC187, Acceptance Criteria for Polyester
Loose-Fill and Blanket Insulations.
A.
Thermal performance characteristics must be determined in accordance with this
item.
(1) One of the following test methods
must be used: ASTM C177-13, ASTM C518-10, ASTM C1199-12, or ASTM C1114-06.
Manufacturers shall select the appropriate test method for the material unless
a specific method or procedure is referenced within a materials specification.
(2) For foam plastic insulations
that incorporate blowing agents other than air or pentane, R-value tests must
be done on specimens that have been treated in accordance with the Federal
Trade Commission R-Value rule, Code of Federal Regulations, title 16, part 460,
to fully reflect the effect of aging on the product's R-value.
(3) Thermal conductivity measurement must be
performed at 75 degrees Fahrenheit mean temperature.
B. Water or moisture absorption must be
determined according to one of the following methods: ASTM C272/C272M-12; ASTM
C553-11, section 14; ASTM C739-11, section 12; or ASTM D2842-12.
C. If the material is foam in place, a test
must be conducted to determine the response to thermal and humid aging in
accordance with ASTM C1029-13, section 10.6.
D. If the material contains formaldehyde, the
product and installation must conform with Minnesota Statutes, section
325F.18, and
part
4620.1800.
E. The product must not produce a detectable
odor that is classified as objectionable and strong or very strong by ASTM
C1304-08, Standard Test Method for Assessing the Odor Emission of Thermal
Insulation Materials.
F. Surface
burning characteristics must be determined in accordance with ASTM E84-13a,
"Standard Test Method for Surface Burning Characteristics of Building
Materials," or Underwriters Laboratories Standard UL 723, "Standard for Fire
Tests of Building Construction and Materials."
G. The manufacturer shall provide a statement
that the insulation and its intended uses are safe and effective and do not
pose a threat to human health. The manufacturer shall disclose any known or
reasonably suspected attributes of the product that will adversely affect its
safety or effectiveness.
Statutory Authority: MS s
325F.20;
325F.21
